Cita APA (7th ed.)

Russell & Bertrand. (2009). The Principles of Mathematics (2nd ed.). Routledge.

Cita Chicago (17th ed.)

Russell i Bertrand. The Principles of Mathematics. 2nd ed. London / New York: Routledge, 2009.

Cita MLA (9th ed.)

Russell i Bertrand. The Principles of Mathematics. 2nd ed. Routledge, 2009.